NPPES file of Aug 9, 2026

Larissa Smith, ARNP

Nurse Practitioner · Marshalltown, IA

Larissa Smith, ARNP is a nurse practitioner with a practice address in Marshalltown, Iowa, and NPI 1568255792, issued on May 28, 2025. Check the license (Iowa A183893, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568255792
Name
Larissa Smith
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
A183893 IA
Self-reported in NPPES; status is on the state search
Practice location
421 E Merle Hibbs Blvd, Marshalltown, IA 50158
Phone
(641) 752-5469
Enumerated
May 28, 2025
Record last updated
Jan 5, 2026
Medicare enrollment
Enrolled (PECOS I20251107001894); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 421 E Merle Hibbs Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melinda Arnold, PAPhysician Assistant1013618701
  2. Carol Barlow, ARNPNurse Practitioner1225592074
  3. Matthew Crandon, PTPhysical Therapist1730301375
  4. Daniel DelaneyFamily Medicine Physician1992360697
  5. Lynne Desotel, MDFamily Medicine Physician1568545960
  6. Jeffrey Dikis, DPMFoot & Ankle Surgery Podiatrist1740544386

Verify Larissa Smith in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license A183893
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Mcfarland Clinic PCMarshalltown, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Larissa Smith among 1,294 nurse practitioner records in Iowa

Larissa Smith, ARNP is one of 1,294 nurse practitioner records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 94% of them.

  • NPI issued2025 · 94% of these records are older, 2% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2024 · median 2018 among the 873 with a school on file
  • Record last updated2026 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 nurse practitioner records list a practice address in Marshalltown

They are 15 of the 443 NPPES records with a practice address in Marshalltown, and 1,294 nurse practitioner records in Iowa.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Shannon Appel, ARNPMarshalltown, IA 501581447737143
  2. Carol Barlow, ARNPMarshalltown, IA 501581225592074
  3. Claudia Beckwith, N.P.Marshalltown, IA 501581548318272
  4. Margaret Duffy, ARNPMarshalltown, IA 501581841293503
  5. Katherine Eaton, ARNPMarshalltown, IA 501581265504138
  6. Ann Ersland, ARNPMarshalltown, IA 501581407477714
  7. Taylor FrizzellMarshalltown, IA 501581790565331
  8. Maggie Hansen, ARNPMarshalltown, IA 501581508670886

Common questions

What is Larissa Smith, ARNP's NPI number?

Larissa Smith, ARNP's National Provider Identifier (NPI) is 1568255792, issued on May 28, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Larissa Smith, ARNP located?

The NPPES record lists a practice address at 421 E Merle Hibbs Blvd, Marshalltown, IA, 50158. Phone: (641) 752-5469. Providers update this record themselves, so call before visiting.

How can I verify Larissa Smith, ARNP's license?

NPPES lists Iowa license number A183893, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.